Buyer wanted: General Motors Corp. said it is seeking a buyer for its Allison Gas Turbine Division. Allison, acquired by GM in 1929, designs and manufactures turbine engines for aerospace, industrial and marine applications. It has about 6,300 employees and maintains manufacturing and research facilities in Indianapolis.

Boeing Corp. has signed an agreement in principle to purchase the government-owned aerospace firm De Havilland Aircraft of Canada Ltd. for $113.2 million. Canadian government officials said they expected to complete the sale before the end of December. Toronto-based De Havilland produces commuter aircraft.